Home / 132,887.48-183,401.28-76,297.64

Finding the Fourth Proportional to 132,887.48, 183,401.28 and 76,297.64

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Solution

The fourth proportional to 132,887.48, 183,401.28 and 76,297.64 is: 105,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887.48 : 183,401.28 = 76,297.64 : x
  2. Step 2: Convert to fraction form
    132,887.48/183,401.28 = 76,297.64/x
  3. Step 3: Cross multiply
    132,887.48x = 183,401.28 × 76,297.64
  4. Step 4: Simplify right side
    132,887.48x = 13,993,084,836.98
  5. Step 5: Solve for x
    x = 13,993,084,836.98/132,887.48
  6. Step 6: Final answer
    x = 105,300.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.